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1. β-NMR of 12B in Si: a low-dose implantation study
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【来源】
[外文期刊]
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【作者】
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【摘要】
The fraction of B ions occupying substitutional sites after implantation into Si, ?s, is measured at extremely low doses with the β-NMR technique. The temperature dependence of ?s(T) is compared with...
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2. β-Glucosidase activity in soils amended with sewage sludge
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【来源】
[外文期刊]
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【作者】
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【摘要】
In a laboratory experiment three soil types were treated with two sources of sewage sludge at four rates. β-Glucosidase activity was assayed after 0, 7, 14, and 30 days of incubation. At the lower lo...
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3. α-relaxation in a supercooled binary mixture
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【来源】
[外文期刊]
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【作者】
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【摘要】
The α-master functions of the mode coupling theory for a binary soft-sphere mixture are presented. They are directly determined by the static structure factors Sq. The asymmetric stretching of the su...
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4. Zooplankton community structure on the east-southeast Brazilian continental shelf (18–23°S latitude)
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【来源】
[外文期刊]
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【作者】
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【摘要】
The geographic distribution of mesozooplankton on the east-southeast Brazilian continental shelf (18–23°S latitude) was determined. This region can be considered a transition between the Abrolhos' tr...
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5. Zitterbewegung and the electromagnetic field of the electron
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【来源】
[外文期刊]
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【作者】
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【摘要】
By using the spacetime algebra, we explain the helical motion of the electron (zitterbewegung) and its Coulomb field by introducing a mechanism that breaks locally the electromagnetic gauge invariance...
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6. Zircon fission track approach for the evaluation of geothermal history of the Hijiori geothermal area, Japan
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【来源】
[外文期刊]
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【作者】
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7. Zinc (Zn2+) and Fish Immune Response Effect on Carp IL2-Like Production and Activity
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【来源】
[外文期刊]
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【作者】
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【摘要】
Supernatants obtained from PHA-activated pronephric carp lymphocytes were able to provoke the growth of carp blasts but not from fresh lymphocytes without mitogens. These supernatants contain certainl...
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8. Zero-field hole burning and transient effects in LaCl3:Ho3+
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【来源】
[外文期刊]
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【作者】
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【摘要】
Two laser spectral hole burning in the hyperfine lines of the 646.9 nm transition of 0.0018% Ho3+:LaCl3 is presented and discussed. It is shown that the hole burning in this centre can be described by...
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9. Yield stress of coal-water mixtures
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【来源】
[外文期刊]
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【作者】
Raffi M. Turian and Mohamad K. Fakhreddine and Kostas S. Avramidis and Dong-Jin Sung
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【摘要】
The yield stresses of coal-water mixtures as functions of solids volume fraction, suspended particle size, and suspension pH were measured using the vane method. The suspension yield stress-solids vol...
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10. X-ray study of step morphology on a cleaved MgO(100) surface
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【来源】
[外文期刊]
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【作者】
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【摘要】
Using a surface sensitive X-ray scattering technique, we investigated the atomic-scale step structure on a cleaved MgO(100) single crystalline surface. We show that the fine structure of a crystal tru...
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11. X-ray scattering topography of metallic multilayer films
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【来源】
[外文期刊]
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【作者】
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【摘要】
X-ray scattering topography has been applied to sputtered Co/Au multilayer films in order to clarify structural inhomogeneities along the film surface. The observed difference in the main peak intensi...
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12. X-ray reflectivity study of r.f.-sputtered thin SiO2 films
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【来源】
[外文期刊]
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【作者】
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【摘要】
X-ray reflectivity investigations have been performed on thin amorphous SiO2 films obtained by r.f.-sputtering of fused quartz onto Si single crystals in an argon atmosphere. This is a non-destructive...
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13. X-ray projection microscopy and transmission electron microscopy
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【来源】
[外文期刊]
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【作者】
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【摘要】
Before joining Ellis Cosslett's EM Group in October 1949, coming from Canada, I had chosen to work on the X-ray projection microscope. The new instrument was constructe, tested and improved and a Ph.D...
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14. X-ray photoelectron spectroscopy characteristics of the W/TiN/Si and W/TiN/SiO2/Si structures
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【来源】
[外文期刊]
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【作者】
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【摘要】
X-ray photoelectron spectroscopy (XPS) has been used to study the characteristics of titanium nitride (TiN) as a nucleation layer for the deposition of low pressure chemical vapor deposited tungsten (...
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15. X-Ray microanalysis of stratified specimens
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【来源】
[外文期刊]
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【作者】
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【摘要】
This paper presents a description of the state of the art methodology and software for the application of x-ray microanalysis to thin surface layers and more generally to the characterization of strat...
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16. X-Ray microanalyses in roots of Al-treated Avena sativa plants
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【来源】
[外文期刊]
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【作者】
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【摘要】
Summary The uptake and localization of aluminium in root tissues as well as the effect of Al-stress on intracellular concentrations of phosphate and potassium were analysed by X-ray microanalysis (EDX...
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17. X-ray emission from multicharged ions interacting with solids
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【来源】
[外文期刊]
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【作者】
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【摘要】
Systematic studies of X-ray emission in the interaction of various slow multicharged ions (MCI) with metallic surfaces were performed at various energies. A low resolution/high efficiency Si(Li) detec...
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18. XPS-XAES study of charge transfers at Ni/Al2O3/Al systems
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【来源】
[外文期刊]
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【作者】
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【摘要】
The chemical shift found for nickel core levels indicates the transfer of electrons from the Al2O3 oxide to deposited Ni. This process creates the Ni/Al2O3 surface dipoles, the electric field of which...
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19. XPS studies on SiOx thin films
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【来源】
[外文期刊]
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【作者】
R. Alfonsetti and L. Lozzi and M. Passacantando and P. Picozzi and S. Santucci
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【摘要】
The surface stoichiometry of SiOx thin films (x = 1–2) has been studied by means of X-ray photoelectron spectroscopy. The presence of three Si oxidation states (SiO2, SiO, Si2O3) has been observed th...
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20. XPS studies of zirconium complexes on polymer surfaces
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【来源】
[外文期刊]
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【作者】
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【摘要】
Four pure zirconium carboxylate complexes, [Zr(acac)4], [Zr(acac)3Cl], [Zr(acac)2(crotonate)2] and [Zr(acac)2(benzoate)2], hav been prepared and used as “model” surfactants on polythylene surfaces. ...
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